نتایج جستجو برای: 99mtc maa
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Cultured human melanoma cells M10 harvested from cultures in different phases of their growth show significant changes in the expression of melanoma-associated antigens (MAA), but they do not vary in susceptibility to lysis mediated by anti-MAA xenoantisera and effected by complement or lymphoid cells. Furthermore, melanoma cells M10 showed a significant increase in susceptibility to immune lys...
BACKGROUND: The possibility exists for major complications to occur when individuals are intoxicated with alcohol prior to anesthetization. Halothane is an anesthetic that can be metabolized by the liver into a highly reactive product, trifluoroacetyl chloride, which reacts with endogenous proteins to form a trifluoroacetyl-adduct (TFA-adduct). The MAA-adduct which is formed by acetaldehyde (AA...
The aim of this trial was to evaluate the efficacy of a mandibular advancement appliance (MAA) for obstructive sleep apnoea (OSA). Ninety-three patients with OSA and a mean apnoea-hypopnoea index (AHI) of 34.7 were centrally randomised into three, parallel groups: (a) MAA; (b) mandibular non-advancement appliance (MNA); and (c) no intervention. The appliances were custom made, in one piece. The...
INTRODUCTION The Post-exposure Prophylaxis in Infants (PEPI)-Malawi trial evaluated infant antiretroviral regimens for prevention of post-natal HIV transmission. A multi-assay algorithm (MAA) that includes the BED capture immunoassay, an avidity assay, CD4 cell count, and viral load was used to identify women who were vs. were not recently infected at the time of enrollment (MAA recent, N = 73;...
By analyzing human melanoma cells with monoclonal antibodies (MoAb) we have identified four melanoma associated antigens with distinct tissue distribution and structural properties. They include the high molecular weight melanoma associated antigen (MAA), the Mr 120,000 MAA, the Mr 100,000 MAA, and the cytoplasmic MAA defined by MoAb 465.12. Previous studies have shown that these antigens may b...
Synthesis of mycosporine-like amino acids (MAAs) can significantly protect phytoplankton cells against damaging ultraviolet (UV) radiation, depending on the concentration, type and cellular distribution of these UV sunscreens. We addressed the hypothesis that MAAs are concentrated around UV-sensitive organelles for improved efficiency, thereby increasing their ‘package effect’. This was investi...
A cytoplasmic glycoprotein, originally identified by the monoclonal antibody 465.12S in melanoma tumors, is significantly increased in epithelial cells of different histotype following transformation. In the present study we show that the cytoplasmic melanoma associated antigen (cyt-MAA) is drastically enhanced in lymphoid cells by polyclonal and allogeneic stimulation, as well as by transforma...
INTRODUCTION L,L-ethylenedicysteine (EC) is a new carrier of technetium Tc 99m (99mTc) with a lower affinity to plasma albumin in comparison with diethylenetriamine pentaacetic acid (DTPA). We compared 99mTc-EC scan with 99mTc-DTPA scan in diuretic renography for patients with obstructive uropathy. MATERIALS AND METHODS Thirty-three patients with upper urinary tract obstruction were randomly ...
This review summarizes the microbiology, and antimicrobial management of mycotic aneurysm of the aorta (MAA) due to anaerobic bacteria. Anaerobic bacteria are an uncommon but important cause of MAA. Most cases of anaerobic MAA are caused anaerobic gram-negative bacilli (mostly B. fragilis group), Clostridium spp. (mostly Clostridium septicum, and Propionobacterium spp. (mostly P. acnes). Clostr...
BXFL (bagasse xylem ferulate)-g-AM (acrylamide)/MAA (methyl methacrylate) was synthesized based on bagasse xylan(BX)-g-AM/MAA in 1-Butyl-3-methylimidazolium chloride ([Bmim] Cl) ion solution with Ferulic Acid (FL) as esterification agent. The various factors that were investigated influenced carboxylic acid ester substitution degree (DSC) of BXFL-g-AM/MAA. The structures of BXFL-...
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